build: Drop autotools support

All of gnome-control-center, gnome-settings-daemon and gnome-shell
are meson-only nowadays, so there seems little point in supporting
two build systems.

https://gitlab.gnome.org/GNOME/libgnome-volume-control/merge_requests/9

Makefile.am

@@ -1,64 +0,0 @@
-
-noinst_LTLIBRARIES = libgvc.la
-
-INTROSPECTION_SCANNER_ARGS = --warn-all
-
-libgvc_la_CPPFLAGS =			\
-	$(WARN_CFLAGS)			\
-	$(GVC_CFLAGS)			\
-	-I$(srcdir)			\
-	-DWITH_INTROSPECTION		\
-	-DG_LOG_DOMAIN="\"Gvc\""
-
-libgvc_la_gir_sources = 			\
-	gvc-mixer-card.h			\
-	gvc-mixer-card.c			\
-	gvc-mixer-stream.h			\
-	gvc-mixer-stream.c			\
-	gvc-channel-map.h			\
-	gvc-channel-map.c			\
-	gvc-mixer-ui-device.h			\
-	gvc-mixer-ui-device.c			\
-	gvc-mixer-sink.h			\
-	gvc-mixer-sink.c			\
-	gvc-mixer-source.h			\
-	gvc-mixer-source.c			\
-	gvc-mixer-sink-input.h			\
-	gvc-mixer-sink-input.c			\
-	gvc-mixer-source-output.h		\
-	gvc-mixer-source-output.c		\
-	gvc-mixer-event-role.h			\
-	gvc-mixer-event-role.c			\
-	gvc-mixer-control.h			\
-	gvc-mixer-control.c			\
-	$(NULL)
-
-libgvc_la_SOURCES =				\
-	$(libgvc_la_gir_sources)		\
-	gvc-mixer-card-private.h		\
-	gvc-mixer-stream-private.h		\
-	gvc-channel-map-private.h		\
-	gvc-mixer-control-private.h		\
-	gvc-pulseaudio-fake.h			\
-	$(NULL)
-
-libgvc_la_LIBADD = 	\
-	$(GVC_LIBS)	\
-	$(NULL)
-
-if HAVE_INTROSPECTION
-include $(INTROSPECTION_MAKEFILE)
-
-Gvc-1.0.gir: libgvc.la
-Gvc_1_0_gir_INCLUDES = GObject-2.0 Gio-2.0
-Gvc_1_0_gir_CFLAGS = $(INCLUDES) -I$(srcdir) -DWITH_INTROSPECTION
-Gvc_1_0_gir_LIBS = libgvc.la
-Gvc_1_0_gir_FILES = $(addprefix $(srcdir)/,$(libgvc_la_gir_sources))
-INTROSPECTION_GIRS = Gvc-1.0.gir
-
-typelibdir = $(pkglibdir)
-typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib)
-
-CLEANFILES = Gvc-1.0.gir $(typelib_DATA)
-
-endif

Makefile.tests

@@ -1,43 +0,0 @@
-LIBGVC_SOURCES =				\
-	gvc-mixer-card.h			\
-	gvc-mixer-card.c			\
-	gvc-mixer-stream.h			\
-	gvc-mixer-stream.c			\
-	gvc-channel-map.h			\
-	gvc-channel-map.c			\
-	gvc-mixer-ui-device.h			\
-	gvc-mixer-ui-device.c			\
-	gvc-mixer-sink.h			\
-	gvc-mixer-sink.c			\
-	gvc-mixer-source.h			\
-	gvc-mixer-source.c			\
-	gvc-mixer-sink-input.h			\
-	gvc-mixer-sink-input.c			\
-	gvc-mixer-source-output.h		\
-	gvc-mixer-source-output.c		\
-	gvc-mixer-event-role.h			\
-	gvc-mixer-event-role.c			\
-	gvc-mixer-control.h			\
-	gvc-mixer-control.c			\
-	gvc-mixer-card-private.h		\
-	gvc-mixer-stream-private.h		\
-	gvc-channel-map-private.h		\
-	gvc-mixer-control-private.h		\
-	gvc-pulseaudio-fake.h
-
-GVC_CFLAGS = `pkg-config --cflags gtk+-3.0 libpulse libpulse-mainloop-glib alsa`
-GVC_LIBS = `pkg-config --libs gtk+-3.0 libpulse libpulse-mainloop-glib alsa`
-
-all: test-audio-device-selection $(LIBGVC_SOURCES) tests-include/config.h
-
-.c.o:
-	$(CC) -g3 -ggdb -c $(GVC_CFLAGS) -I. -Itests-include/ $< -o $@
-
-C_SOURCES = $(filter %.c,$(LIBGVC_SOURCES))
-OBJECTS=$(C_SOURCES:.c=.o)
-
-test-audio-device-selection: $(OBJECTS) test-audio-device-selection.o
-	$(CC) -g3 -ggdb $(GVC_LIBS) $(OBJECTS) test-audio-device-selection.o -o $@
-
-clean:
-	rm -f *.o test-audio-device-selection

tests-include/config.h

@@ -1,3 +0,0 @@
-#define GETTEXT_PACKAGE "libgvc-test"
-#define PACKAGE_VERSION "1.0-test"
-#define HAVE_ALSA       1